Clematis Evipo103 Compact Growth and Disease Resistance
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Solution Overview
Problem
Clematis plants in commercial cultivation lacked uniform and abundant red-purple flowers, compact growth habit suitable for container culture, and improved disease resistance.
Innovation Solution
A new Clematis variety 'Evipo103' was developed through controlled crossing, characterized by red-purple tepals, compact growth, and enhanced disease resistance, achieved through asexual reproduction by vegetative cuttings and traditional layering.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If traditional Clematis cultivars are used for commercial cultivation, then they have been available for gardening purposes, but they lack uniform and abundant red-purple flowers, compact growth habit suitable for container culture, and improved disease resistance
Solution Approach 1:
The patent applies parameter changes by selectively breeding for specific growth parameters (height, spread, branching pattern) to create a compact mounding habit suitable for containers while simultaneously improving disease resistance. The new variety achieves 30-60 cm height and 30-50 cm spread with a dense mounding form, representing significant parameter optimization from traditional cultivars.
2Quantity of substance
If Clematis plants are bred for taller growth to achieve more flowers, then flower quantity may increase, but the plant becomes less suitable for container culture
Solution Approach 1:
The patent applies local quality by concentrating flower production in a compact vertical space through dense branching patterns. Instead of achieving flower abundance through height, the variety creates localized density with multiple flowering laterals emerging from a compact base, producing uniform and abundant flowers within a 30-60 cm height range suitable for containers.
3Productivity
If Clematis plants are bred for vigorous growth, then they produce more flowers, but they become less manageable in container culture
Solution Approach 1:
The patent applies dynamics by creating a balanced growth pattern that is vigorous enough to produce abundant flowers but controlled enough to maintain compact proportions. The variety exhibits dynamic equilibrium between vegetative growth and flowering, with regular pruning responses that maintain the mounding habit while sustaining high flower production in container settings.
Data Source
AI summary
A new Clematis plant with a compact growth habit, profuse, red purple flowers, and continuous summer flowering. The variety successfully propagates from softwood cuttings and is suitable for cultivation in commercial nursery culture. This new and distinct variety has shown to be uniform and stable in the resulting generations from asexual propagation from vegetative cuttings.